public class B5{
		public static void main(String[] args){
		  int he =li (10,20);
			System.out.println(he);
			System.out.println("-----------");
			System.out.println(li(10,20));
		}
		public static int li (int a,int b){
			int sum=a+b;
		return sum;
		}

}
//